/* =========================================================
   陕西饰家名品装饰 - 全站统一升级样式
   说明：本 CSS 同时兼容首页、案例页、效果图页、新闻页、详情页、FAQ页
   ========================================================= */
:root{
    --brand:#8f5a32;
    --brand-dark:#4b2d1b;
    --brand-soft:#f7efe7;
    --brand-light:#fff7ef;
    --gold:#d8a75f;
    --gold-soft:#fff2da;
    --ink:#1f1a17;
    --text:#5f5550;
    --muted:#8b8079;
    --line:#eee3da;
    --white:#ffffff;
    --danger:#c1432c;
    --shadow:0 18px 45px rgba(72,45,25,.12);
    --shadow-strong:0 24px 60px rgba(46,26,14,.20);
    --radius:22px;
    --radius-lg:30px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
    color:var(--ink);
    background:#fffaf6;
    line-height:1.75;
}
a{color:inherit;text-decoration:none;transition:.25s ease;}
img{max-width:100%;display:block;}
.container{width:min(1200px,92%);margin:0 auto;}
.section{padding:86px 0;position:relative;}
.bg-light{background:linear-gradient(180deg,#fff7ef 0%,#fff 100%);} 
.bg-white{background:#fff;}
.text-center{text-align:center;}
.hide{display:none!important;}

/* Header / Nav */
.header{
    position:sticky;top:0;z-index:999;
    background:rgba(255,250,246,.94);
    backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(143,90,50,.12);
    box-shadow:0 8px 30px rgba(58,34,20,.06);
}
.nav-box{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px;}
.logo{display:flex;align-items:center;gap:10px;min-width:max-content;}
.logo span{display:flex;flex-direction:column;justify-content:center;min-width:0;}
.logo h1{margin:0;font-size:23px;letter-spacing:.5px;color:var(--brand-dark);font-weight:900;white-space:nowrap;line-height:1.15;}
.logo small{display:block;color:var(--muted);font-size:12px;font-weight:700;letter-spacing:1px;margin-top:3px;}
.logo::before{content:"饰";display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--gold));color:#fff;font-size:19px;font-weight:900;box-shadow:0 10px 20px rgba(143,90,50,.24);}
.nav{display:flex;align-items:center;justify-content:center;flex:1;}
.nav ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:3px;}
.nav a{display:block;padding:10px 12px;border-radius:999px;color:#554139;font-size:15px;font-weight:700;white-space:nowrap;}
.nav a:hover,.nav a.active{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(143,90,50,.2);}
.tel a{display:inline-flex;align-items:center;gap:7px;padding:11px 16px;border-radius:999px;background:linear-gradient(135deg,var(--brand-dark),var(--brand));color:#fff;font-weight:900;box-shadow:0 12px 28px rgba(75,45,27,.22);white-space:nowrap;}
.nav-toggle{display:none;border:0;background:var(--brand-dark);color:#fff;width:42px;height:42px;border-radius:12px;font-size:22px;cursor:pointer;}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:999px;font-weight:900;border:1px solid transparent;cursor:pointer;transition:.25s ease;}
.btn-primary{background:linear-gradient(135deg,#ffd08a,#d79b45);color:#3a2315;box-shadow:0 14px 28px rgba(216,167,95,.28);} 
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(216,167,95,.36);} 
.btn-brand{background:linear-gradient(135deg,var(--brand-dark),var(--brand));color:#fff;box-shadow:0 12px 28px rgba(75,45,27,.18);} 
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(75,45,27,.25);} 
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.32);background:rgba(255,255,255,.08);} 
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);} 
.btn-line{background:#fff;color:var(--brand);border-color:var(--line);} 
.btn-line:hover{border-color:var(--brand);box-shadow:0 10px 22px rgba(143,90,50,.12);transform:translateY(-2px);} 

/* Home Hero */
.banner{position:relative;min-height:720px;overflow:hidden;background:linear-gradient(120deg,rgba(32,20,14,.92),rgba(105,63,35,.72)),url('../images/banner.webp') center/cover no-repeat;}
.banner::after{content:"";position:absolute;right:-160px;top:90px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(216,167,95,.28),rgba(216,167,95,0) 66%);}
.hero-wrap{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.1fr) 390px;gap:46px;align-items:center;min-height:720px;padding:92px 0 72px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(255,255,255,.12);color:#ffe3b3;font-weight:900;letter-spacing:.4px;}
.hero-title{margin:26px 0 18px;font-size:58px;line-height:1.12;color:#fff;font-weight:900;letter-spacing:-1px;}
.hero-title span{color:#ffd38b;}
.hero-desc{max-width:720px;margin:0 0 30px;color:rgba(255,255,255,.86);font-size:19px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:760px;}
.stat-card{padding:18px 16px;border-radius:18px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(8px);color:#fff;}
.stat-card strong{display:block;font-size:28px;color:#ffd38b;line-height:1.1;}
.stat-card span{font-size:13px;color:rgba(255,255,255,.78);} 
.quote-card{position:relative;padding:28px;border-radius:28px;background:rgba(255,255,255,.96);box-shadow:0 24px 60px rgba(0,0,0,.25);}
.quote-card::before{content:"免费";position:absolute;right:22px;top:-18px;padding:8px 16px;border-radius:999px;background:var(--danger);color:#fff;font-weight:900;box-shadow:0 10px 24px rgba(193,67,44,.28);} 
.quote-card h3{margin:0 0 8px;font-size:24px;color:var(--brand-dark);} 
.quote-card p{margin:0 0 20px;color:var(--muted);} 
.quote-grid{display:grid;gap:12px;} 
.quote-grid input,.quote-grid select{width:100%;height:48px;border:1px solid var(--line);border-radius:14px;padding:0 14px;font-size:15px;background:#fff;color:var(--ink);outline:none;} 
.quote-grid input:focus,.quote-grid select:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(216,167,95,.14);} 
.quote-card .btn{width:100%;border:0;margin-top:4px;} 
.quote-note{font-size:12px;color:#9b8a7e;text-align:center;margin-top:12px!important;} 

/* Section Title */
.section-title{text-align:center;margin-bottom:44px;}
.section-title .sub{display:inline-block;margin-bottom:10px;color:var(--brand);font-weight:900;letter-spacing:2px;font-size:14px;}
.section-title h2{margin:0;font-size:38px;line-height:1.2;color:var(--ink);font-weight:900;}
.section-title p{margin:12px auto 0;color:var(--muted);max-width:760px;font-size:17px;}

/* Shared panels */
.trust-strip{margin-top:-42px;position:relative;z-index:5;}
.trust-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;overflow:hidden;border-radius:24px;background:var(--line);box-shadow:var(--shadow);} 
.trust-item{padding:26px;background:#fff;text-align:center;}
.trust-item strong{display:block;font-size:26px;color:var(--brand-dark);font-weight:900;}
.trust-item span{display:block;color:var(--muted);font-size:14px;margin-top:4px;}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;}
.about-visual{position:relative;min-height:420px;border-radius:30px;overflow:hidden;background:linear-gradient(135deg,rgba(232,211,189,.55),rgba(185,133,88,.30)),url('../images/banner.webp') center/cover no-repeat;box-shadow:var(--shadow);} 
.about-visual::after{content:"12000㎡ 实景展馆";position:absolute;left:24px;bottom:24px;padding:14px 18px;border-radius:16px;background:rgba(255,255,255,.92);color:var(--brand-dark);font-weight:900;box-shadow:0 12px 30px rgba(0,0,0,.12);} 
.about-card{padding:34px;border-radius:30px;background:#fff;box-shadow:var(--shadow);border:1px solid rgba(143,90,50,.08);} 
.about-card h3{margin:0 0 16px;font-size:28px;color:var(--brand-dark);} 
.about-card p{margin:0 0 14px;color:var(--text);} 
.badge-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px;}
.badge-list span{padding:12px 14px;border-radius:14px;background:var(--brand-soft);color:var(--brand-dark);font-weight:800;}
.service-grid,.advantage-list{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.service-card,.advantage-item,.case-card,.process-item,.news-item-home,.faq-item-home,.entry-item,.info-card,.faq-item,.news-item,.detail-card{background:#fff;border:1px solid rgba(143,90,50,.1);border-radius:24px;box-shadow:0 14px 36px rgba(75,45,27,.08);transition:.28s ease;overflow:hidden;}
.service-card{padding:28px;min-height:260px;position:relative;}
.service-card::after{content:"";position:absolute;right:-35px;bottom:-35px;width:120px;height:120px;border-radius:50%;background:rgba(216,167,95,.16);} 
.service-card:hover,.advantage-item:hover,.case-card:hover,.process-item:hover,.news-item-home:hover,.faq-item-home:hover,.entry-item:hover,.info-card:hover,.faq-item:hover,.news-item:hover{transform:translateY(-6px);box-shadow:0 20px 46px rgba(75,45,27,.14);} 
.service-icon{width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg,var(--brand),var(--gold));display:flex;align-items:center;justify-content:center;color:#fff;font-size:26px;margin-bottom:18px;}
.service-card h3{margin:0 0 10px;font-size:22px;color:var(--brand-dark);} 
.service-card p{margin:0 0 16px;color:var(--text);}
.service-card a{color:var(--brand);font-weight:900;}
.advantage-list{grid-template-columns:repeat(3,1fr);} 
.advantage-item{padding:26px;} 
.advantage-item h3{margin:0 0 12px;font-size:20px;color:var(--brand-dark);} 
.advantage-item p{margin:0;color:var(--text);} 
.advantage-num{display:inline-flex;width:42px;height:42px;border-radius:14px;background:var(--brand-soft);align-items:center;justify-content:center;color:var(--brand);font-weight:900;margin-bottom:16px;}

/* Home case preview */
.case-tabs{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:-18px 0 32px;}
.case-tabs a,.filter-pill{padding:10px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:900;color:var(--brand-dark);}
.case-tabs a:hover,.filter-pill:hover,.filter-pill.active{background:var(--brand);color:#fff;border-color:var(--brand);}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-card img{width:100%;height:250px;object-fit:cover;background:linear-gradient(135deg,#dfc6aa,#a9764c);} 
.case-body{padding:22px;}
.case-body h3{margin:0 0 8px;font-size:21px;color:var(--brand-dark);} 
.case-body p{margin:0;color:var(--text);} 
.case-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.case-meta span{font-size:12px;font-weight:900;color:var(--brand);background:var(--brand-soft);padding:5px 9px;border-radius:999px;}
.process-wrap{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.process-item{padding:24px;text-align:center;}
.process-item strong{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--gold));color:#fff;font-size:20px;margin-bottom:14px;box-shadow:0 12px 24px rgba(143,90,50,.18);} 
.process-item h3{margin:0 0 8px;color:var(--brand-dark);} 
.process-item p{margin:0;color:var(--muted);font-size:14px;}
.quality-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;padding:42px;border-radius:32px;background:linear-gradient(135deg,var(--brand-dark),var(--brand));color:#fff;box-shadow:var(--shadow-strong);}
.quality-main h2{font-size:36px;margin:0 0 12px;line-height:1.25;}
.quality-main p{color:rgba(255,255,255,.82);margin:0 0 24px;font-size:17px;}
.quality-list{display:flex;gap:10px;flex-wrap:wrap;}
.quality-list span{padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);font-weight:900;}
.promise-list{display:grid;gap:14px;}
.promise-list div{padding:18px;border-radius:20px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);} 
.promise-list h3{margin:0 0 6px;color:#ffe3b3;}
.promise-list p{margin:0;color:rgba(255,255,255,.82);}
.news-faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;}
.home-list{display:grid;gap:14px;}
.news-item-home,.faq-item-home{display:block;padding:22px;}
.news-item-home h3,.faq-item-home h3{margin:0 0 8px;font-size:19px;color:var(--brand-dark);} 
.news-item-home span{color:var(--brand);font-size:13px;font-weight:900;}
.news-item-home p,.faq-item-home p{margin:8px 0 0;color:var(--text);} 
.more-link{display:inline-flex;margin-top:16px;color:var(--brand);font-weight:900;}

/* Page Hero */
.page-banner,.page-hero{position:relative;overflow:hidden;padding:86px 0;background:linear-gradient(120deg,rgba(32,20,14,.94),rgba(105,63,35,.78)),url('../images/banner.webp') center/cover no-repeat;color:#fff;}
.page-banner::after,.page-hero::after{content:"";position:absolute;right:-130px;top:40px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(216,167,95,.22),transparent 68%);}
.page-banner .container,.page-hero .container{position:relative;z-index:1;}
.page-banner h2,.page-hero h2{margin:10px 0 8px;font-size:44px;line-height:1.2;font-weight:900;}
.page-banner p,.page-hero p{margin:0;max-width:720px;color:rgba(255,255,255,.82);font-size:18px;}
.breadcrumb{display:inline-flex;gap:8px;align-items:center;color:#ffe3b3;font-weight:900;font-size:14px;}
.breadcrumb a:hover{color:#fff;}
.page-lead{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:stretch;margin-bottom:42px;}
.lead-card{padding:32px;border-radius:28px;background:#fff;box-shadow:var(--shadow);border:1px solid rgba(143,90,50,.08);}
.lead-card h3{margin:0 0 12px;font-size:28px;color:var(--brand-dark);} 
.lead-card p{margin:0;color:var(--text);} 
.quick-panel{padding:28px;border-radius:28px;background:linear-gradient(135deg,var(--brand-dark),var(--brand));color:#fff;box-shadow:var(--shadow);}
.quick-panel h3{margin:0 0 12px;font-size:24px;}
.quick-panel p{margin:0 0 18px;color:rgba(255,255,255,.82);}
.quick-panel .btn{background:#fff;color:var(--brand-dark);width:100%;}

/* Cases / Effects */
.case-title{display:flex;align-items:center;gap:14px;margin:48px 0 22px;font-size:26px;font-weight:900;color:var(--brand-dark);}
.case-title:first-child{margin-top:0;}
.case-title::before{content:"";width:8px;height:28px;border-radius:99px;background:linear-gradient(180deg,var(--brand),var(--gold));}
.cases-grid,.effect-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cases-card,.effect-card{position:relative;overflow:hidden;border-radius:24px;background:#fff;border:1px solid rgba(143,90,50,.10);box-shadow:0 14px 36px rgba(75,45,27,.08);transition:.28s ease;cursor:default;}
.cases-card:hover,.effect-card:hover{transform:translateY(-6px);box-shadow:0 22px 50px rgba(75,45,27,.16);}
.cases-card img,.effect-card img{width:100%;height:260px;object-fit:cover;background:linear-gradient(135deg,#e5d0b7,#a9764c);transition:.35s ease;}
.cases-card:hover img,.effect-card:hover img{transform:scale(1.04);}
.cases-card p,.effect-card p{margin:0;padding:18px 20px 20px;font-size:18px;font-weight:900;color:var(--brand-dark);}
.card-tags{display:flex;gap:8px;flex-wrap:wrap;padding:0 20px 20px;margin-top:-6px;}
.card-tags span{font-size:12px;font-weight:900;color:var(--brand);background:var(--brand-soft);padding:5px 9px;border-radius:999px;}
.gallery-note{margin-top:36px;padding:28px;border-radius:28px;background:var(--brand-soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:18px;}
.gallery-note h3{margin:0 0 5px;color:var(--brand-dark);font-size:24px;}
.gallery-note p{margin:0;color:var(--text);}

/* News */
.news-page .news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-item{display:block;padding:24px;}
.news-item h3{margin:0 0 10px;font-size:21px;line-height:1.35;color:var(--brand-dark);} 
.news-item h3 a:hover{color:var(--brand);}
.news-item span{display:inline-flex;margin:0 0 12px;padding:6px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-weight:900;font-size:13px;}
.news-item p{margin:0;color:var(--text);}
.news-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:28px;padding:22px;border-radius:24px;background:#fff;box-shadow:0 12px 34px rgba(75,45,27,.08);border:1px solid rgba(143,90,50,.08);}
.news-toolbar h3{margin:0;color:var(--brand-dark);font-size:24px;}
.news-toolbar a{color:var(--brand);font-weight:900;}

/* Detail */
.news-detail .container{max-width:980px;}
.detail-card{padding:42px;border-radius:30px;}
.detail-head{padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:28px;}
.detail-head h1{margin:0 0 12px;color:var(--brand-dark);font-size:36px;line-height:1.25;}
.detail-time{display:inline-flex;padding:7px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-weight:900;font-size:14px;}
.detail-content{color:var(--text);font-size:18px;}
.detail-content p{margin:0 0 16px;}
.back-btn{margin-top:32px;display:flex;gap:12px;flex-wrap:wrap;}
.back-btn a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:999px;background:var(--brand);color:#fff;font-weight:900;}
.back-btn a:hover{background:var(--brand-dark);transform:translateY(-2px);}

/* FAQ */
.faq-page .faq-list{display:grid;gap:16px;max-width:980px;margin:0 auto;}
.faq-item{padding:0;overflow:hidden;}
.faq-question{position:relative;margin:0;padding:22px 58px 22px 24px;font-size:19px;font-weight:900;color:var(--brand-dark);line-height:1.5;cursor:pointer;}
.faq-question::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--brand-soft);color:var(--brand);font-size:22px;transition:.25s ease;}
.faq-item.open .faq-question::after{content:"−";background:var(--brand);color:#fff;}
.faq-answer{display:none;padding:0 24px 24px;color:var(--text);font-size:16px;border-top:1px solid var(--line);}
.faq-answer p{margin:16px 0 0;}
.faq-item.open .faq-answer{display:block;animation:fadeUp .25s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}

/* Contact / Footer */
.contact-card{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch;padding:36px;border-radius:32px;background:#fff;box-shadow:var(--shadow);border:1px solid rgba(143,90,50,.1);}
.contact-info h2{font-size:36px;line-height:1.25;color:var(--brand-dark);margin:16px 0 18px;}
.contact-info p{margin:10px 0;color:var(--text);}
.contact-info a{color:var(--brand);font-weight:900;}
.contact-cta{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border-radius:26px;padding:28px;background:linear-gradient(135deg,var(--brand-dark),var(--brand));color:#fff;}
.contact-cta span{color:#ffe3b3;font-weight:900;}
.contact-cta strong{display:block;font-size:38px;margin:4px 0 16px;line-height:1;}
.contact-cta .btn{background:#fff;color:var(--brand-dark);width:100%;}
.entry-box{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.entry-item{display:block;padding:34px;min-height:190px;position:relative;overflow:hidden;}
.entry-item::after{content:"→";position:absolute;right:28px;bottom:22px;font-size:36px;color:var(--gold);font-weight:900;}
.entry-item h3{margin:0 0 10px;color:var(--brand-dark);font-size:26px;}
.entry-item p{margin:0;color:var(--text);}
.strength-content{padding:30px;border-radius:26px;background:#fff;box-shadow:var(--shadow);border:1px solid rgba(143,90,50,.08);text-align:center;color:var(--brand-dark);font-weight:900;}
.strength-content p{margin:8px 0;}
.float-cta{position:fixed;right:22px;bottom:22px;z-index:998;display:grid;gap:10px;}
.float-cta a{display:flex;align-items:center;justify-content:center;width:92px;min-height:44px;border-radius:999px;background:linear-gradient(135deg,var(--brand-dark),var(--brand));color:#fff;font-weight:900;box-shadow:0 12px 28px rgba(75,45,27,.24);font-size:14px;}
.float-cta a:nth-child(2){background:linear-gradient(135deg,#ffd08a,#d79b45);color:#3a2315;}
.footer{padding:28px 0;background:#20140e;color:rgba(255,255,255,.78);text-align:center;}
.footer p{margin:0;}

/* Animations */
.fade-in{opacity:0;transform:translateY(16px);transition:.55s ease;}
.fade-in.show{opacity:1;transform:none;}

/* Responsive */
@media (max-width:1120px){
    .nav-box{gap:12px;}
    .nav a{font-size:14px;padding:9px 9px;}
    .tel a{padding:10px 12px;font-size:14px;}
    .hero-wrap{grid-template-columns:1fr;}
    .quote-card{max-width:560px;}
    .process-wrap{grid-template-columns:repeat(3,1fr);} 
}
@media (max-width:900px){
    .section{padding:66px 0;}
    .nav-toggle{display:block;}
    .nav{position:absolute;left:4%;right:4%;top:78px;display:none;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:12px;}
    .nav.show{display:block;}
    .nav ul{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;}
    .nav a{text-align:center;border-radius:14px;background:var(--brand-soft);}
    .tel{display:none;}
    .logo h1{font-size:20px;}
    .banner,.hero-wrap{min-height:auto;}
    .hero-wrap{padding:80px 0 70px;}
    .hero-title{font-size:42px;}
    .hero-stats,.trust-inner,.service-grid,.advantage-list,.case-grid,.cases-grid,.effect-grid,.news-page .news-list,.news-faq-grid,.about-grid,.quality-panel,.contact-card,.page-lead{grid-template-columns:1fr 1fr;}
    .quote-card{max-width:none;}
    .page-banner h2,.page-hero h2{font-size:36px;}
    .contact-cta strong{font-size:31px;}
}
@media (max-width:640px){
    .container{width:min(100% - 28px,1200px);} 
    .section{padding:54px 0;}
    .nav ul{grid-template-columns:1fr;}
    .logo{gap:8px;min-width:0;}
    .logo::before{width:34px;height:34px;border-radius:12px;font-size:17px;flex:0 0 auto;}
    .logo h1{font-size:17px;line-height:1.12;}
    .logo small{display:block !important;font-size:10px;line-height:1.15;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:170px;}
    .hero-title{font-size:34px;}
    .hero-desc{font-size:16px;}
    .hero-actions{display:grid;}
    .hero-stats,.trust-inner,.service-grid,.advantage-list,.case-grid,.cases-grid,.effect-grid,.news-page .news-list,.news-faq-grid,.about-grid,.quality-panel,.contact-card,.page-lead,.process-wrap,.entry-box{grid-template-columns:1fr;}
    .stat-card{text-align:center;}
    .section-title h2,.contact-info h2,.quality-main h2{font-size:29px;}
    .section-title p{font-size:15px;}
    .quote-card{padding:22px;}
    .page-banner,.page-hero{padding:62px 0;}
    .page-banner h2,.page-hero h2{font-size:30px;}
    .page-banner p,.page-hero p{font-size:15px;}
    .lead-card,.quick-panel,.detail-card{padding:24px;}
    .cases-card img,.effect-card img,.case-card img{height:220px;}
    .gallery-note{display:block;}
    .gallery-note .btn{margin-top:18px;width:100%;}
    .float-cta{left:12px;right:12px;bottom:12px;display:grid;grid-template-columns:1fr 1fr;}
    .float-cta a{width:auto;min-height:46px;}
    body{padding-bottom:66px;}
}

/* Logo subtitle visibility fix: keep brand subtitle visible on refresh/responsive pages */
.logo small{display:block;}
@media (max-width:640px){.logo small{display:block !important;}}

/* Article detail blocks */
.article-label{display:inline-flex;margin:0 0 14px;padding:7px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-weight:900;font-size:13px;letter-spacing:.5px;}
.ai-article h2{margin:0 0 14px;font-size:24px;color:var(--brand-dark);line-height:1.35;}
.article-summary,.article-facts,.article-faq,.article-related{margin:24px 0;padding:24px;border-radius:24px;background:#fffaf3;border:1px solid var(--line);}
.article-summary p{margin:0;color:var(--text);font-size:18px;line-height:1.9;}
.article-facts ul{margin:0;padding-left:20px;display:grid;gap:10px;color:var(--text);}
.article-facts li{line-height:1.75;}
.article-facts strong{color:var(--brand-dark);}
.article-faq{display:grid;gap:14px;}
.article-faq>h2{margin-bottom:4px;}
.article-faq-item{padding:18px;border-radius:18px;background:#fff;border:1px solid rgba(143,90,50,.10);}
.article-faq-item h3{margin:0 0 8px;color:var(--brand-dark);font-size:19px;line-height:1.4;}
.article-faq-item p{margin:0;color:var(--text);line-height:1.85;}
.related-links{display:flex;gap:10px;flex-wrap:wrap;}
.related-links a{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--brand);font-weight:900;}
.related-links a:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
@media (max-width:640px){.article-summary,.article-facts,.article-faq,.article-related{padding:18px;border-radius:20px;}.ai-article h2{font-size:21px;}.article-summary p{font-size:16px;}.related-links{display:grid;}.related-links a{width:100%;}}


/* 内容更新文章富文本兼容样式 */
.detail-content h1,.detail-content h2,.detail-content h3,.detail-content h4{color:var(--brand-dark);line-height:1.35;margin:1.2em 0 .55em;font-weight:900;}
.detail-content h2{font-size:25px;border-left:4px solid var(--brand);padding-left:12px;}
.detail-content h3{font-size:21px;}
.detail-content p{margin:.85em 0;}
.detail-content ul,.detail-content ol{padding-left:1.5em;margin:1em 0;}
.detail-content li{margin:.35em 0;}
.detail-content table{width:100%;border-collapse:collapse;margin:18px 0;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 8px 22px rgba(75,45,27,.06);}
.detail-content th,.detail-content td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;}
.detail-content th{background:var(--brand-soft);color:var(--brand-dark);}
.detail-content img{max-width:100%;height:auto;border-radius:16px;margin:16px auto;box-shadow:0 12px 30px rgba(75,45,27,.12);}
.detail-content blockquote{margin:18px 0;padding:14px 18px;border-left:4px solid var(--gold);background:var(--brand-light);border-radius:14px;color:var(--brand-dark);}
.detail-content a{color:var(--brand);font-weight:900;text-decoration:underline;text-underline-offset:3px;}


/* 品牌展示补强：备案与独立页面样式 */
.footer .footer-icp{margin-top:8px;font-size:13px;color:rgba(255,255,255,.72);}
.footer .footer-icp a{color:rgba(255,255,255,.78);text-decoration:none;}
.footer .footer-icp a:hover{color:#fff;text-decoration:underline;}
.about-page .about-card p,.service-page .service-card p{line-height:1.9;}
.service-page .service-card h2{font-size:24px;margin:12px 0 10px;color:var(--brand-dark);}
.detail-card a{color:var(--brand);font-weight:900;}
@media (max-width:640px){.footer .footer-icp{font-size:12px;}}


/* 速度与可用性优化 */
img{content-visibility:auto;}
.case-card img,.cases-card img,.effect-card img{will-change:auto;}
.fade-in{opacity:1;transform:none;}
.fade-in.show{opacity:1;transform:none;}

/* 新闻详情页返回按钮：默认状态文字始终清晰可见 */
.back-btn a{
    color:#fff !important;
    background:var(--brand-dark) !important;
    border:1px solid var(--brand-dark) !important;
    box-shadow:none !important;
    text-decoration:none !important;
}
.back-btn a:first-child{
    color:var(--brand-dark) !important;
    background:#fff !important;
    border:1px solid var(--brand) !important;
}
.back-btn a:hover{
    color:#fff !important;
    background:var(--brand) !important;
    border-color:var(--brand) !important;
    transform:translateY(-1px);
}
.back-btn a:first-child:hover{
    color:#fff !important;
    background:var(--brand-dark) !important;
    border-color:var(--brand-dark) !important;
}


/* 获取报价表单提示 */
.quote-form-status{
    grid-column:1 / -1;
    min-height:22px;
    font-size:14px;
    color:#7a5c47;
    padding:2px 0 0;
}
.quote-form-status.ok{color:#166534;font-weight:800;}
.quote-form-status.err{color:#b91c1c;font-weight:800;}
.quote-grid button[disabled]{
    opacity:.72;
    cursor:not-allowed;
    transform:none!important;
}